Time switch



Aug. 17 1926. y 1,596,859

H. a. cLYAT-r TIME SWITCH Filed NOV. 28, 1924 vPatented Aug. `17, 1926.

HARRY B. CLYATT, 0F GRAND RAPIDS, MICHIGAN.

TIME y SWITCH.

Application led November 28, 1924. Serial No. 752,734.

The invention primarily aims to prevent the rapid consumption of tubes and batteries in radio receiving sets and to obviate the necessity of an attendantJ to operate the set in order to cut off thecurrent and. restore the same at periods in order to receive items of interest broadcasted from a given station.

The invention combines with an ordinary clock, either as a part' thereof or as an attachment, means whereby the circuit of a radio receiving set lis closed 'periodically and which provides for varying the length of contact according to the news items -to lbe received.

Other objects and advantages'will be apparent and suggest themselves'as the nature of the invention is understood.

While the drawings illustrate an embodiment of the invention it is to be understood that in adapting the same to meet different conditions and requirements, various changes in the form, proportion and minor details lof construction may be resorted to withoutl departing from the nature ofthe invention. Referring to the accompanying drawings forming a part of the specification,

Figure 1 is a front view of aclock provided with circuit closing` means embodying vthe invention,

Figure 2 is a side view illustrating the circuit in diagram, and i Figure 3 is a sectional detail on Vthe line Corresponding and like'partsare referred to in the following description and designated in the `several views of the drawings by like reference characters.A j

The numeral 10 designates a clock which mayfbe'of any approved construct-ion, the' same being illustratedto demonstrate the application of the invention. The numeral 11 denotes a support of insulating material such as hard rubber, the same bein preferably oi annular form and lsecure v to the frame of the clock in any 'convenient and substantial way as by means of brackets 12 which are bolted to the support 11 and to the frame of the clock. The support 11 is V formed with recesses 13 in its outer face tor receive plates 14 which are adapted for radial adjustment and which are secured in the required adjusted position by bindin screws 15. A metal ring 16 is place against the duter sideof the support 11 andis secured thereto by means of screws or like fastenings 17 and this ring 16 consti.- tutes an annular Contact which is provided at diametrically opposite points -with inwardly disposedand depressed extensions 18 projecting ,into the path of theminute vhand 19 of the clock so that when the min` of the contact 16 or any one 4of the plates 14 when adjusted inwardly the filament cir.- cuit of the set will be closed and receptlon effected.

What is claimed is An automatic circuit closing attachmentcomprising a support of insulating material provided in a side with recesses, a contact ring fitted tothe side of the support having the recesses and extending over the latter, and` provided with inwardly disposedl extensions, contact 'plates within `the recesses of saidsupport and in electrical connection with the contact ring and radially adjust.- able, and means for securing the contact plates in the required adjusted position.

ture.

V'In testimony-whereof I ax my signa- 90 

